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JK Wrangler 3.5" Game-Changer Suspension

Product ID: *A1235
Our top of the line mid-arm Game Changing Suspension System outperforms all others, featuring patented technology available nowhere else.
  • DuroFlex™ Joints enhanced with Kevlar
  • True Dual Rate™ Coils
  • Durotrak equipped track bars
  • Height adjustable bump stops
  • Specifically tuned shocks for True Dual Rate Coils
  • Designed for maximum UP and DOWN travel
The MetalCloak Game Changing Duroflex™ Joints are the only vulcanized...[click for more] elastomer, self-centering joint enhanced with DuPont™ Kevlar® fiber – providing incredible durability with more misalignment in the control arms and better vibration dampening than anything else available. Exclusive to MetalCloak (see detailed info in the main body).

True Dual Rate™ Coils provides the most comfortable and stable ride over traditional single rate lift springs, and provide better load handling than the typical "progressive/multi-rate" coils. Our True Dual Rate coils are extra long in free-length to maintain contact for extreme articulation. MetalCloak has over a decade of proven dual-rate coil performance.

The Durotrak bushings reduce NVH (noise, vibration and harshness) that can be transferred to the driver and provides a smoother ride while also improving the vehicles steering input. The patented bushing is a 2-part design that can rotate 360 degrees in a vertical plane unhindered while minimizing horizontal forces to keep the Jeeps axle centered and you going in the right direction.

We offer a choice in shocks; run the shock set-up you choose to fit your build needs. If you have a different idea of what shocks will work best for you- go for it. MetalCloak suspensions ARE designed to optimally be used with the patented MetalCloak 6Pak™ Shocks for maximum up and down travel. Our RockSport Shocks (Exclusively at MetalCloak) provide the next longest travel you can get with the simplicity of a standard shock and share the same valving as 6Paks; this is a great option if looking for a no-maintenance option at a great price, also offered are the Fox 2.0 Performance Series Shocks that have limited travel comparably but perform well. The choice is yours to buy the suspension with or without shocks and then add any whatever shock you choose.

Adjustable height front and rear bump stops are a MetalCloak first and allow you to adjust the travel to be tailored to the size of tire you have optioned for. Add more bump stop or remove to adjust to the clearance you need without having to remove the coils.

All MetalCloak suspension components, are designed for maximum up AND down travel while providing the best suspension geometry available to deliver the performance you demand.

MetalCloak components have been proven safe with the FMVSS certificate of safety configured with 37inch tires, full body armor and suspension lift.

Note: All 2012+ JK Wrangler will require exhaust spacers (7078) for clearance for the front drive shaft.

Note: MetalCloak engineers have chosen shocks that have been proven to have the ideal synergy with our systems. We have not tested other shocks on the market as to whether they complement our Game-Changer system or suppress its performance.

Note: We Recommend You Have a Suspension Specialist Align Your Jeep Once a MetalCloak Suspension is Installed. [click for less...]
Availability: Shipping Within 2-3 Business Days
Price As Configured:


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MetalCloak's Jeep JK Wrangler Suspension is the proven leader among production suspension systems.

Who Is MetalCloak?

MetalCloak creates Game-Changing Products for the Off Road Enthusiast.

Suspension Without Limits. Really.

The JK Wrangler Ultimate Travel Mid-Arm bolt-on suspension system, provides the most travel for a bolt-on system in the history of aftermarket suspensions.

Duroflex 101

This short video covers what you need to know about the basics of the Duroflex Joint. How it should be used and what to expect when using it.

Coil Springs 101

This short video covers all you need to know about the basics of how typical Coil Springs work compared to MetalCloak's True Dual Rate Coils.

Durotrak™ Bushing

Eliminate squeaks and clunks in your steering with the technology of MetalCloak’s Durotrak™ bushings; exclusively found in MetalCloak track bars.

Outboard Shock Mount

Moves the front lower shock mounts away from the Jeep frame rails and rotate the shock eyelet from factory position by 90 degrees allowing it to swing with the axle vs bind on the bushing.

FMVSS 126 Certified

MetalCloak not only has the best off road flex, but we are also Federal Motor Vehicle Safety Standard 126 certified and compliant. No other company can match our on- and off-road performance.



The Patented Duroflex™ Joint ( is the key to getting the greatest flex in a JK Wrangler bolt-on suspension kit. Period.

Duroflex Control Arm Joint Comparison

MetalCloak has taken the best features of the most widely used control arm joints and combined those features to create the Duroflex Joint, producing a Low-Maintenance, High-Misalignment (34˚), Self-Centering, Rebuildable Joint with an OEM quality ride.

Duroflex Kevlar Bushing

Now with Kevlar!

DuPont™ Kevlar® Fiber is now compounded in the proprietary elastomer of the Duroflex Bushing, bringing even more strength, durability and performance.

Kevlar® is a synthetic fiber with extremely high tensile strength to weight ratio…five times stronger than steel and commonly used in bullet proof armor applications.

Duroflex Bushings w/Kevlar® can be identified by the Metalcloak “M” located on the outer surface.

Control Arm Specs

JK Wrangler Lower Front (SKU #7001)
  • CNC Formed
  • 3/16" Wall DOM Steel
  • 1.5" OD
  • Precision Locking Nut
  • Gold Zinc Plated
  • Duroflex Joint at Both Ends
JK Wrangler Lower Front Duroflex Control Arms

JK Wrangler Upper Front (SKU #7002)
  • CNC Machined
  • 3/16" Wall DOM Steel
  • 1.25" OD
  • 3/16" Steel Clevis
  • Precision Locking Nut
  • Gold Zinc Plated
  • Duroflex Joint
JK Wrangler Upper Front Duroflex Control Arms

JK Wrangler Lower Rear (SKU #7003)
  • CNC Machined
  • 3/16" Wall DOM Steel
  • 1.5" OD
  • Precision Locking Nut
  • Gold Zinc Plated
  • Duroflex Joint at Both Ends
  • Lengthened 5/8" for Best Axle Position
7003 Specifications

JK Wrangler Upper Rear (SKU #7004)
  • CNC Formed
  • 3/16" Wall DOM Steel
  • 1.5" OD
  • Precision Locking Nut

  • Designed for Oversize Tire Clearance
  • Gold Zinc Plated
  • Duroflex Joint at Both Ends
  • Lengthened for Best Axle Position
JK Upper Rear Duroflex Control Arm

Degrees of Articulation

MetalCloak's Duroflex Joint provides 28˚ more articulation and flex than typical control arms! (Learn More About Duroflex Control Arms)

Duroflex Control Arms Articulation Low ARticulation Joints.

What are True Dual Rate Coils?

MetalCloak JK Wrangler True Dual Rate™ Coils have one of the longest free length in the industry for greater articulation without sacrificing the OEM ride quality.

Without the advantage of the Dual Rate Design, the required Spring Rate would be too low and "squishy" -- just loading your Jeep up with supplies would affect ride height and quality. (Learn More About True Dual Rate Coils)

Understanding Dual Rate Coils
SS-2034 SS-2035
SS-2060 SS-2061

Not just any track bar the Patented Durotrak

Durotrak Bushing

The Patented Durotrak Bushing ( is a NVH (noise, vibration, harshness) bushing made with a proprietary elastomer compound unique to MetalCloak. The Durotrak two part bushing is comprised of two pieces that thread together making this bushing simple to install without a press, reduces vibration and harshness transferred to the driver, and improves vehicle steering input. (Learn More About Durotrak Track Bars Front / Rear)

Solid Chromoly front track bar keeps you... well.. on track

Formed for ultimate Up-Travel & Down-Travel the JK Wrangler Front Track Bar gives unprecedented strength, clearance, and improved ride stability.

JK Front Track Bar

JK Wrangler Durotrak rear track bar - A first in Hi-Clearance!

The Solid Chromoly track bar is uniquely designed to clear on up-travel as well as downtravel. No other track bar is designed with up-travel in mind.

JK Wrangler Hi Clearance Rear Track Bar

Rear Bolt on bracket is a key component

The rear relocation and clearance track bar bracket provides what it takes to allow the track bar to keep your axle centered properly under your Jeep.

JK Wrangler Track Bar Relocation Bracket

Stop The Guess Work. Bump It Up!

Front Adjustable Bump Stops
MetalCloak Adjustable Bump Stop System...
  • Adjust from 1" - 4" Without Removing Coils
  • Perfect Height Regardless of Tire Size
  • Thermoset Elastomer Dampens Impact
  • Additional Pads Available on Request
(Learn More About Front Adjustable Bump Stops)

Rear Adjustable Bump Stops!

Manufactured from trail-proven natural thermoset elastomer, each puck is designed to work universally with your JK Wrangler.

Designed specifically for the JK Wrangler, the system comes with 4 Rectangular Pucks, allowing for easy adjustment between 1" - 4". (Learn More About Rear Adjustable Bump Stops)
Rear Bump Stops

JK Wrangler Replacement Brake Lines, 24.5"

From the Teflon Inner Core, to the Stainless Steel Braid and Poly Safety Coat, the MetalCloak replacement Brake Lines are the best available on the market today.

Longer than typical brake lines of similar lift heights because of our additional clearance and travel. (Learn More About Replacement Brake Lines)


Outboard Shock Mount

MetalCloak Jeep JK Outboard Front Lower Shock Mount Spacer Kit:
  • Engineered to move the lower shock mounts away from the Jeep frame rails increasing clearance for the shock body at the extremes of articulation.
  • All Grade 8 hardware provided.

  • Treated with Gold Zinc Chromate for the ultimate in defense against the elements.
  • Manufactured from laser cut 3/16" steel and CNC bent for superior strength and exact fitment.
Bracket rotates shock eyelet; allows it to swing with the axle vs bind on the limited elastomer material. The Outboard Front Lower Shock Mount Spacer comes in the NO Shock, RockSport Shock, and Fox Shock Kits Only. The 6Pak Shocks do not require the outboard shock mount. (Learn More About The Outboard Shock Mount)

IMPORTANT NOTE: If using OE wheels 2" spacers will be needed to give proper clearance. These mounts are intended for use for wheels with 4.5" of backspacing or less or an equivalent of a 2" spacer on factory wheels.
Outboard Shock Spacer

Choose Your Shocks

The 6Pak™ Shock

The design of the 6Pak didn't just revolutionize shocks, it changed the suspension game forever.

The Patented MetalCloak 6Pak™ ( provides the longest shock travel relative to a compressed length for any off-road shock ever built in history, period.

MetalCloak's Long-Travel Shock Technology provides a game-changing platform featuring parallel shafts extending from a floating body, centralized by dual opposing reservoirs; this revolutionary feature allows for twice the usual stroke over typical industry shocks.

Now the problems of low-hanging shocks or limited travel because of your shock body are fully and completely eliminated.

The shock is no longer the limiting factor in your build.

(Learn More About 6Pak Shocks)
6Pak Shocks
RockSport Shock Option

The RockSport Shock

It’s not just a shock, it is a piece in a tuned system. This is not a typical bolt on shock. RockSport shocks are valved and specifically tuned to work with MetalCloak True Dual-Rate Coils.

MetalCloak has refined the RockSport Shocks compression and dampening to provide stable, yet compliant manners for daily driving and also in situations where Long Travel articulation is needed to keep the tires planted on the ground. (Learn More About RockSport Shocks Front / Rear)

RockSport Front Shock Length:
  • Extended Length: 27.3"
  • Collapsed Length: 15.9"
RockSport Rear Shock Length:
  • Extended Length: 27.8"
  • Collapsed Length: 16.8"

The Fox Shock

  • Direct Bolt-on Replacement. Fox designed this shock to be a direct bolt on replacement for your JK’s factory shock absorbers.
  • Designed for use with our 2.5" to 3.5" suspension lift, the Fox Shocks feature an Internal Floating Piston mono-tube design.
  • Requires Minimum 3" of Bump Stop
Fox Front Shock Length:
  • Extended Length: 27.8"
  • Collapsed Length: 17.75"
Fox Rear Shock Length:
  • Extended Length: 28.0"
  • Collapsed Length: 17.75"
6Pak Shocks


Items Materials
Control Arms 1 1/2" .187 DOM Steel Tubing
Duroflex Joint Proprietary Vulcanized Elastomer made with DuPont™ Kevlar® fiber
Coils High Tensile Chrome Steel
Track Bar 4130 Solid Chromoly
Durotrack Bushing Proprietary Vulcanized Elastomer
Track Bar Bracket 7GA Hot Rolled Steel
Front Adjustable Bump Stops Thermoset Elastomer
Rear Adjustable Bump Stops Thermoset Elastomer
Brakelines Braided Stainless Hose
Steel Coating Gold Zinc


Note: All 2012+ JK Wrangler will require Exhaust Spacers (7078) for clearance for the front drive shaft.

Note: MetalCloak engineers have chosen shocks that have been proven to have the ideal synergy with our systems. We have not tested other shocks on the market as to whether or not they compliment our Game-Changer system or suppress its performance.

Note: MetalCloak does not recommend powder coating your True Dual Rate Coils. See instructions for additional details.

Note: We Recommend You Have a Suspension Specialist Align Your Jeep Once a MetalCloak Suspension is Installed.


Installation Difficulty Moderate
Body Modification None
Time to Install 6 - 8 Hours
Installation Instructions Click Here to see a full list of MetalCloak Installation Instructions.
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